Now, to another air travel nightmare. This playing up in the sky and on camera. A passenger coming unglued and yelling about a bomb onboard. Abc's rob nelson is here with this terrifying ordeal for passengers. Good morning. Reporter: Good morning. A crazy story here. A wild outburst and truly frightening moments, all caught on tape from a passenger onboard that plane, as an allegedly mentally ill man became unruly. Even threatened to blow up the air force. There's a bomb on this plane. There's a bomb on the plane. Reporter: Terrifying words screamed loud and clear friday morning, onboard this spirit airline flight. There's a bomb on the plane. There's a bomb on this plane. Reporter: The flight made an emergency landing, after the pilot reported the passenger's wild behavior. He was crazy. Just to show you how crazy he was, he was throwing money at these people. Reporter: These bizarre outbursts, forcing police to meet the airplane at the gate. I will out. Reporter: Atlanta police quickly boarded the flight and had to physically restrain the man, still screaming, just to get him off the aircraft. There's a bomb on the plane. There's a bomb -- Reporter: Authorities believe the man suffers from mental illness. The plane's packed cabin, eerily calm, as passengers looked on, then awaited instructions. Ladies and gentlemen, it's imperat imperative, everybody remained seated. Reporter: Police did a sweep of the plane. And no bomb was found. I want to apologize to everyone onboard the plane tonight. The suspect's name has not been released. But he was taken to the hospital for psychiatric evaluation. Police do not plan to press any charges. Luckily, guys, no one was injured during that entire ordeal. Amazing the authorities and the passengers seemed to be calm about it all. Thanks, rob. Well, let's check in with

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